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公开(公告)号：US4219684A
公开(公告)日：1980-08-26
申请号：US26477
申请日：1979-04-02
申请人： Tamotsu Imai
发明人： Tamotsu Imai
IPC分类号： B01J23/00 , B01J27/00 , B01J27/13 , B01J31/00 , C07B61/00 , C07C27/00 , C07C29/16 , C07C31/02 , C07C45/50 , C07C67/00 , C07C29/00
CPC分类号： C07C29/16 , C07C45/50 , Y02P20/582
摘要： Alcohols may be synthesized by reacting an olefinic compound, carbon monoxide and hydrogen in the presence of a Group VIII organometallic complex catalyst at reaction conditions which include a temperature in the range of from about 50.degree. to about 250.degree. C. and a pressure in the range of from about 10 to about 300 atmospheres. In addition, the reaction is also effected in the presence of a promoter compound comprising a nitrile.
摘要翻译： 醇可以通过使烯属化合物，一氧化碳和氢在VIII族有机金属配合物催化剂的存在下，在包括约50℃至约250℃范围内的温度和 范围为约10至约300大气压。 此外，反应也在包含腈的助催化剂化合物的存在下进行。
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公开(公告)号：US4175058A
公开(公告)日：1979-11-20
申请号：US930941
申请日：1978-08-04
申请人： Tamotsu Imai
发明人： Tamotsu Imai
CPC分类号： B01J23/864 , C07C5/48
摘要： An active and selective catalytic composite, useful for oxydehydrogenating dehydrogenatable alkylaromatic hydrocarbons comprises a combination of catalytically effective amounts of cobalt oxide, chromium oxide, alumina and magnesium oxide with a silica carrier material. A specific example of the active and selective catalytic composite disclosed herein for use in oxydehydrogenation of alkylaromatic hydrocarbons is a combination of cobalt oxide, chromium oxide, alumina and magnesium oxide with a silica carrier material in amounts sufficient to result in a mole ratio of chromium oxide to cobalt oxide of about 0.2:1 to about 2:1, of alumina to cobalt oxide of about 0.05:1 to about 0.5:1 and of magnesium oxide to cobalt oxide of about 0.05:1 to about 0.5:1. A key feature involves using this catalytic composite in the oxydehydrogenation of dehydrogenatable alkylaromatic hydrocarbons at an inlet reactor temperature greater than 470.degree. C.
摘要翻译： 可用于氧化脱氢可脱氢烷基芳族烃的活性和选择性催化复合物包括催化有效量的氧化钴，氧化铬，氧化铝和氧化镁与二氧化硅载体材料的组合。 本文公开的用于烷基芳烃的氧化脱氢的活性和选择性催化复合物的具体实例是氧化钴，氧化铬，氧化铝和氧化镁与二氧化硅载体材料的组合，其量足以导致氧化铬摩尔比 约0.2:1至约2:1的氧化铝与氧化钴的比例为约0.05:1至约0.5:1，氧化镁与氧化钴的摩尔比为约0.05:1至约0.5:1。 一个关键特征是使用该催化复合材料在可流化烷基芳族烃的氢氧化脱氢反应器的入口反应器温度高于470℃
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公开(公告)号：US5689029A
公开(公告)日：1997-11-18
申请号：US579112
申请日：1995-12-27
申请人： Bipin V. Vora , Tamotsu Imai
发明人： Bipin V. Vora , Tamotsu Imai
摘要： An improved process for the catalytic dehydrogenation of paraffinic hydrocarbons is disclosed. Feed paraffinic hydrocarbons are dehydrogenated by means of contacting the dehydrogenatable hydrocarbon with a dehydrogenation catalyst in a first dehydrogenation zone wherein the endothermic dehydrogenation reaction reduces the temperature of the resulting hydrocarbon stream containing dehydrogenated hydrocarbon compounds. The resulting effluent from the preceding dehydrogenation zone is then contacted with a hot hydrogen-rich gaseous stream having a temperature greater than the hydrocarbon stream to increase the temperature of the hydrocarbon stream and then the resulting heated stream is introduced into a subsequent dehydrogenation zone to produce additional dehydrogenated hydrocarbon compounds.
摘要翻译： 公开了一种用于链烷烃的催化脱氢的改进方法。 通过在第一脱氢区中使可脱氢烃与脱氢催化剂接触来进料链烷烃脱氢，其中吸热脱氢反应降低了所得含有脱氢烃化合物的烃流的温度。 然后将来自先前脱氢区的所得流出物与具有大于烃流的温度的热富氢气流接触以增加烃流的温度，然后将所得加热的流引入随后的脱氢区中以产生 额外的脱氢烃化合物。
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公开(公告)号：US4973779A
公开(公告)日：1990-11-27
申请号：US434964
申请日：1989-11-09
申请人： Tamotsu Imai , Hayim Abrevaya
发明人： Tamotsu Imai , Hayim Abrevaya
IPC分类号： B01J23/62 , B01J23/656 , B01J35/00 , C10G45/00
CPC分类号： B01J23/622 , B01J23/6567 , B01J35/0006 , C10G45/00
摘要： A hydrocarbon conversion process which utilizes a novel catalytic composite is disclosed. The catalyst composite comprises a platinum group metal component, a first modifier selected from Group IA and IIA elements of the Periodic Table, a second modifier component selected from the group of elements consisting of palladium, iridium, and osmium, and a third modifier component selected from the elements of Group IVA of the Periodic Table of the Elements. All of the catalytic components are located on a refractory oxide support having a nominal diameter (d) of from 50 to 10,000 microns. The catalytic composite is characterized in that the second modifier components is surface-impregnated upon the support in such a manner that the average concentration of the surface-impregnated second modifier component on the outside 0.2d micron catalyst layer is at least 2 times the average concentration of the second modifier component in 0.4d micron diameter center core of the catalyst where d is the nominal diameter, and wherein the first modifier metal component is uniformly impregnated. The process has been found to be most useful in the dehydrogenation of dehydrogenatable hydrocarbons.
摘要翻译： 公开了一种利用新型催化复合材料的烃转化方法。 催化剂复合材料包括铂族金属组分，选自元素周期表IA和IIA族元素的第一改性剂，选自钯，铱和锇的元素组的第二改性剂组分和选自第三种改性剂组分 从元素周期表第IVA部分的要素。 所有催化组分位于公称直径（d）为50至10,000微米的难熔氧化物载体上。 催化复合材料的特征在于，第二改性剂组分以这样的方式表面浸渍在载体上，使得外部0.2d微米催化剂层上的表面浸渍的第二改性剂组分的平均浓度为平均浓度的至少2倍 的第二改性剂组分在催化剂的0.4d微米直径中心核心中，其中d是公称直径，并且其中第一改性剂金属组分被均匀地浸渍。 已经发现该方法在可脱氢烃的脱氢中最有用。
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公开(公告)号：US4795843A
公开(公告)日：1989-01-03
申请号：US105930
申请日：1987-10-08
申请人： Tamotsu Imai , Paul T. Barger , Anthony H. Eck
发明人： Tamotsu Imai , Paul T. Barger , Anthony H. Eck
CPC分类号： C07C1/26 , C07C2521/08 , C07C2527/167
摘要： Organic hydrocarbons which comprise useful compounds may be obtained in a two-step process utilizing methane as a feedstock. The desired compounds are prepared by treating said methane with a halogenating agent such as chlorine, followed by contacting the methyl halide with a conversion catalyst comprising a silicalite. The silicalite which is employed is a silica polymorph consisting of crystalline silica which, after calcination in air at a temperature of 600.degree. C. for 1 hour, has a mean refractory index of 1.39.+-.0.01 and a specific gravity at 25.degree. C. of 1.70.+-.0.05 g/cc.
摘要翻译： 包含有用化合物的有机烃可以以使用甲烷为原料的两步法获得。 通过用卤化剂如氯处理所述甲烷，然后将甲基卤化物与包含硅沸石的转化催化剂接触来制备所需的化合物。 使用的硅沸石是由结晶二氧化硅组成的二氧化硅多晶型物，在空气中在600℃的温度下煅烧1小时后，其平均耐火指数为1.39 +/- 0.01，比重为25℃ 为1.70 +/- 0.05g / cc。
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公开(公告)号：US4717779A
公开(公告)日：1988-01-05
申请号：US893754
申请日：1986-08-06
CPC分类号： C07C15/46 , C07C5/3332 , C07C5/48
摘要： Dehydrogenatable hydrocarbons may be subjected to a dehydrogenation reaction in which the hydrocarbons are treated with a dehydrogenation catalyst comprising a modified iron catalyst in the presence of steam in a multicatalyst bed system. The reaction mixture containing unconverted hydrocarbons, dehydrogenated hydrocarbons, hydrogen and steam is then contacted with an oxidation catalyst whereby hydrogen is selectively oxidized. The selective oxidation catalyst which is used will comprise a noble metal of Group VIII of the Periodic Table, a metal of Group IVA and, if so desired, a metal of Group IA or IIA composited on a porous inorganic support. The inorganic support will comprise an alumina precursor which possesses and ABD less than about 0.6 g/cc, a pore volume greater than about 0.5 cc/g, and a pore distribution such that between 10% and 70% of the pore volume is present as pores whose diameters are greater than about 300 Angstroms. After peptizing and calcination at a temperature of about 900.degree. to about 1500.degree. C., the resulting alumina will possess an ABD in the range of from about 0.3 to about 1.1 g/cm, a pore volume greater than about 0.2 cc/g, a pore distribution such that more than 40% of the pore volume is present in pores greater than 1500 Angstroms, a piece density in the range of from about 0.3 to about 2.0 g/cc, and a particle size which possesses a diameter of at least 2 mm.
摘要翻译： 可脱氢烃可以进行脱氢反应，其中烃在多催化床系统中在蒸汽存在下用含有改性铁催化剂的脱氢催化剂处理。 然后将含有未转化的烃，脱氢烃，氢和蒸汽的反应混合物与氧化催化剂接触，由此氢被选择性氧化。 使用的选择性氧化催化剂将包括元素周期表第VIII族的贵金属，IVA族的金属，如果需要的话，将复合在多孔无机载体上的IA或IIA族金属。 无机载体将包含具有小于约0.6g / cc的ABD的氧化铝前体，大于约0.5cc / g的孔体积和孔分布，使孔体积的10％至70％存在于 直径大于约300埃的孔。 在约900℃至约1500℃的温度下进行胶溶和煅烧之后，所得氧化铝的ABD将为约0.3至约1.1g / cm 3，孔体积大于约0.2cc / g， 孔分布使得孔大于40％的孔体积存在于大于1500埃的孔中，片密度在约0.3至约2.0g / cc范围内，并且具有至少具有直径的粒径 2毫米。
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公开(公告)号：US4716143A
公开(公告)日：1987-12-29
申请号：US18541
申请日：1987-02-25
申请人： Tamotsu Imai
发明人： Tamotsu Imai
IPC分类号： B01J23/62 , B01J23/656 , B01J35/00 , C10G45/00 , C07C5/36
CPC分类号： B01J23/622 , B01J23/6567 , B01J35/0006 , C10G45/00 , Y10S502/514 , Y10S502/523
摘要： A novel catalytic composite comprising a platinum group metal component; a modifier metal component selected from the group consisting of a tin component, germanium component, rhenium component and mixtures thereof; an alkali or alkaline earth metal component or mixtures thereof, an optional halogen component, and an optional catalytic modifier component on a refractory oxide support having a nominal diameter of at least about 850 microns. The distribution of the platinum group metal component is such that the platinum group component is surface-impregnated where substantially all of the platinum group metal component is located at most within a 400 micron exterior layer of the support. The effective amount of the modifier metal component may be uniformly impregnated throughout the refractory oxide support, surface-impregnated, or located in any other appropriate fashion. The distribution of the surface-impregnated modifier metal component is such that the modifier metal component is substantially all located at most within a 400 micron exterior layer of the support. The novel catalyst has particular utility as a hydrocarbon dehydrogenation catalyst. A method of preparing the catalyst is also disclosed.
摘要翻译： 一种包含铂族金属组分的新型催化复合材料; 选自锡组分，锗组分，铼组分及其混合物的改性金属组分; 碱金属或碱土金属组分或其混合物，任选的卤素组分和任选的催化改性剂组分在耐火氧化物载体上，具有至少约850微米的标称直径。 铂族金属组分的分布使得铂基组分被表面浸渍，其中基本上所有的铂族金属组分位于载体的400微米外层内。 修饰金属组分的有效量可以均匀地浸渍在整个难熔氧化物载体中，表面浸渍或以任何其它合适的方式定位。 表面浸渍的改性剂金属组分的分布使得改性剂金属组分基本上全部位于载体的400微米外层内。 该催化剂具有烃脱氢催化剂的特殊用途。 还公开了制备催化剂的方法。
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公开(公告)号：US4652687A
公开(公告)日：1987-03-24
申请号：US882856
申请日：1986-07-07
申请人： Tamotsu Imai , Jeffery C. Bricker
发明人： Tamotsu Imai , Jeffery C. Bricker
CPC分类号： C07C5/321 , B01J35/026 , C07C5/3332 , B01J23/626
摘要： Unsaturated hydrocarbons may be prepared by subjecting dehydrogenatable hydrocarbon to dehydrogenation in the presence of a dehydrogenation catalyst. The effluent stream from this step, comprising unconverted hydrocarbons, dehydrogenated hydrocarbons, hydrogen and steam, may then be passed to a selective oxidation step in which the hydrogen is selectively oxidized in the presence of an oxygen-containing gas to the substantial exclusion of the oxidation of the hydrocarbons. The oxidation catalyst which is employed will comprise a Group VIII noble metal, a Group IVA metal and a Group IA or IIA metal composited on a metal oxide support. The metal oxide support such as alumina will possess a particular configuration such as a polylobular particle containing from 3 to about 8 lobes and having a ratio of exterior surface to catalyst volume greater than [4D+2L] in which D is the largest representative diameter and L is the length of the particle.
摘要翻译： 不饱和烃可以通过在脱氢催化剂存在下使可脱氢烃脱氢来制备。 然后将包含未转化的烃，脱氢烃，氢气和蒸汽的来自该步骤的流出物流送入选择性氧化步骤，其中在含氧气体存在下氢被选择性地氧化，从而基本排除了氧化 的烃。 所用的氧化催化剂将包含在金属氧化物载体上复合的VIII族贵金属，IVA族金属和IA或IIA族金属。 金属氧化物载体如氧化铝将具有特定的构型，例如含有3至约8个裂片的多球形颗粒，并且具有大于[4D + 2L]的外表面与催化剂体积的比例，其中D是最大的代表性直径， L是粒子的长度。
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公开(公告)号：US4608360A
公开(公告)日：1986-08-26
申请号：US751340
申请日：1985-07-02
申请人： Hayim Abrevaya , Tamotsu Imai
发明人： Hayim Abrevaya , Tamotsu Imai
CPC分类号： C07C5/3337 , B01J23/622 , B01J35/0026 , B01J35/1014 , B01J35/1019 , B01J35/1061 , B01J35/1066 , B01J35/108 , B01J35/109
摘要： A novel catalytic composite is disclosed. Also disclosed is a use for the novel composite and a method for preparing the same. The catalytic composite comprises a Group VIII, noble metal component, a co-formed IVA metal component, an alkali metal or alkaline earth metal component and an alumina support having a surface area of from 5 to 150 m.sup.2 /g. Additionally the alumina support is such that less than about 18% of the total pore volume of the support is associated with pores having mean diameters of about 300 Angstroms or less and more than about 55% of the total pore volume of the support is associated with pores having mean diameters of about 600 Angstroms or more. The novel catalytic composite has particular utility as a paraffin dehydrogenation catalyst.
摘要翻译： 公开了一种新型催化复合材料。 还公开了新型复合物的用途及其制备方法。 催化复合材料包含VIII族，贵金属组分，共形IVA金属组分，碱金属或碱土金属组分和表面积为5至150m 2 / g的氧化铝载体。 此外，氧化铝载体使得小于载体总孔体积的约18％与平均直径为约300埃或更小的孔相关联，并且超过载体总孔体积的约55％与载体的总孔体积相关 平均直径为约600埃以上的孔。 新型催化复合材料具有石蜡脱氢催化剂的特殊用途。
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公开(公告)号：US4565898A
公开(公告)日：1986-01-21
申请号：US708832
申请日：1985-03-06
IPC分类号： C07C11/02 , B01J23/00 , B01J23/62 , C07B61/00 , C07C1/00 , C07C5/333 , C07C5/48 , C07C15/46 , C07C67/00
CPC分类号： C07C15/46 , C07C5/333 , C07C5/48 , B01J23/626
摘要： Dehydrogenatable hydrocarbons may be subjected to a dehydrogenation reaction in which the hydrocarbons are treated with a dehydrogenation catalyst comprising a modified iron compound in the presence of steam in a multicatalyst bed system. The reaction mixture containing unconverted hydrocarbons, dehydrogenated hydrocarbons, hydrogen and steam is then contacted with an oxidation catalyst whereby hydrogen is selectively oxidized in preference to carbon dioxide and carbon monoxide or hydrocarbons. The selective oxidation of hydrogen will improve the combustion thereof and supply the necessary heat which is required for a subsequent dehydrogenation treatment. The selective oxidation catalyst which is used will comprise a noble metal of Group VIII of the Periodic Table and, if so desired, a metal of Group IA or IIA of the Periodic Table composited on a porous inorganic support. The inorganic support will have been calcined prior to impregnation thereof at a temperature in the range of from about 900.degree. to about 1500.degree. C. in the absense or presence of steam to provide a catalyst which possesses increased stability and activity when compared to prior catalysts.
摘要翻译： 可脱氢烃可以进行脱氢反应，其中烃在多催化床系统中在蒸汽存在下用含有改性铁化合物的脱氢催化剂处理。 然后将含有未转化的烃，脱氢烃，氢气和蒸汽的反应混合物与氧化催化剂接触，由此优选选择性地氧化二氧化碳和一氧化碳或烃。 氢的选择性氧化将改善其燃烧并提供随后的脱氢处理所需的必要的热量。 使用的选择性氧化催化剂将包括元素周期表第VIII族的贵金属，如果需要，在多孔无机载体上合成元素周期表的IA或IIA族金属。 无机载体在浸渍之前必须在大约900℃至大约1500℃的温度下在蒸汽的存在或存在下进行煅烧，以提供与现有催化剂相比具有增加的稳定性和活性的催化剂 。
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